<!DOCTYPE html>
<html>
<head lang="en">
    <meta charset="UTF-8">
    <title></title>
    <style>
        *{
            margin: 0;padding: 0;
        }
        .one{
            width: 1000px;margin-left: auto;margin-right: auto;
        }
        .one>div{
            width: 238px;
            height: 344px;
        border: 1px solid #ededed;
            float: left;
        }
        .one>.two{
            margin-right: 13px;
        }
        .two1{
            margin-right: 14px;
        }
    </style>
</head>
<body>
<div class="one">
     <div class="two"></div>
     <div class="two"></div>
     <div class="two1"></div>
    <div></div>
</div>

</body>
</html>